*{
    margin: 0;
    padding: 0;
}
.zyl_header {
    background: red;
    color: white;
}
.zyl_con {
    text-align: center;
    .left_con {
        width: 200px;
        height: 200px;
        display: inline-block;
        border: 1px solid red;
    }
    .right_con {
        width: 400px;
        height: 200px; 
        display: inline-block;
        border: 1px solid red;
    }
}